The 1300 W DC-input power supply (WS-CDC-1300W) is supported in the following Catalyst 6500 series switches: • Catalyst 6506 (WS-C6506) • Catalyst 6506-E (WS-C6506-E) • Catalyst 6509 (WS-C6509) • Catalyst 6509-E (WS-C6509-E)